First, coal production is well organized to increase coal supply.
一是组织好煤矿生产，增加煤炭供给。
It can be used in the coal production, coal combustion and coal distribution.
它可以用于原煤生产、销售以及燃烧等场合。
The gas explosion of coal mine is the most serious of safety production accident of coal mine.
煤矿瓦斯爆炸是煤矿安全生产事故中最为严重的一种。
Also, the production technology of coal gangue cement and coal spoil bricks is introduced here.
介绍了煤矸石水泥和煤矸石砖的生产技术。
The coal mine production and the coal mine safety is closely related, complement each other.
煤矿生产与煤矿安全密切相关，相辅相成。
The invention discloses a coal gas producer and a coal gas production method.
本发明公开了一种煤气发生炉和煤气生产方法。
Self-burning of coal seriously restricts the safety production of coal mine.
煤炭自燃严重制约着矿井的安全生产。
Self-burning of coal seriously restricts the safety production of coal mine.
煤炭自燃严重制约着矿井的安全生产。
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